- Public Inspection
Air Plan Approval; Missouri; Restriction of Emission of Lead From Specific Lead Smelter-Refinery Installations
The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by Missouri on February 5, 2019. Missouri requests that EPA revise its approved plan which restricts emission of lead from specific lead smelter-refinery installations. The revisions remove emission restrictions for a facility...
Promulgation of State Implementation Plan Revisions; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Utah
On October 1, 2015, the Environmental Protection Agency (EPA) promulgated the 2015 ozone National Ambient Air Quality Standard (NAAQS), revising the standard to 0.070 parts per million. Whenever a new or revised is promulgated, the Clean Air Act (CAA or Act) requires each state to submit a State Implementation Plan (SIP) revision for the...